Android GroupActivity 管理子activity跳转和回退

public class ModelGroupTab extends ActivityGroup {

    LinearLayout container;
    //用于管理本Group中的所有Activity       
    public static ActivityGroup group;  
    @Override  
    protected void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
      //  setContentView(R.layout.modeltabgroup);
       // container=(LinearLayout)findViewById(R.id.modeltabgroup);
        group = this;  
    }  
  
    @Override  
    public void onBackPressed() {         
        //把后退事件交给子Activity处理  
        group.getLocalActivityManager().getCurrentActivity().onBackPressed();  
    }  
  
    @Override  
    protected void onStart() {  
        super.onStart();  
        //要跳转的Activity  
        Intent intent = new Intent(this, A_Activity.class);  
        // 把Activity转换成一个Window，然后转换成View  
        Window w = group.getLocalActivityManager().startActivity(  
                "FirstActivity", intent);  
        View view = w.getDecorView();  
        //container.removeAllViews();
        //container.addView(view);
        //设置要跳转的Activity显示为本ActivityGroup的内容  
        group.setContentView(view);  
    }  
}

把按返回按钮的事件交给子activity处理

初始化要跳转到的activity

LocalActivityManager通过startActivity(String id, Intent intent),可以与指定的Actiivty绑定，

@Override
        public void onClick(View arg0) {
            // TODO Auto-generated method stub
               Intent intent = new Intent(A_Activity.this, B_Activity.class);  
               // 把Activity转换成一个Window，然后转换成View  
               Window w = ModelGroupTab.group.getLocalActivityManage().startActivity("BActivity",intent);  
               View view = w.getDecorView();
               LinearLayout container=(LinearLayout) ModelGroupTab.group.getWindow().findViewById(R.id.modeltabgroup);
            
               //设置要跳转的Activity显示为本ActivityGroup的内容  
               ModelGroupTab.group.setContentView(view);  
        }

Aactivity跳转到Bactivity

@Override
    public void onBackPressed() {
        // TODO Auto-generated method stub
        //super.onBackPressed();
        
          Intent intent = new Intent(B_Activity.this, A_Activity.class);  
         
          // 把Activity转换成一个Window，然后转换成View  
          
          String id=ModelGroupTab.group.getLocalActivityManager() .getCurrentId();

          Window w = ModelGroupTab.group.getLocalActivityManager()  
                  .startActivity("A_Activity",intent);  
          View view = w.getDecorView();  
          
                    //设置要跳转的Activity显示为本ActivityGroup的内容  
          ModelGroupTab.group.setContentView(view);  
          System.out.println("activity "+id+" finsih");
          ModelGroupTab.group.getLocalActivityManager().destroyActivity(id, true);

         
    }

Bactivity回退到Aactivity，覆写

public void onBackPressed() 

写完设置跳转的代码后，finish当前activity，先获得当前绑定的activity id,然后通过

ModelGroupTab.group.getLocalActivityManager().destroyActivity(id, true);销毁